In an interview with the Sun newspaper a shop assistant in the store said: "Kate came in on Sunday on her own, just like anyone else, and browsed the sales racks. At first I didn't recognise her - I couldn't believe it was Kate. She was very friendly and I was star struck to be honest."

Life & Style magazine, 25 August issue says Kate Middleton is at "war" with the QueenLife & Style

The Duchess was seen picking up a pair of pyjamas for Prince George in Lacoste, before heading for Reiss, Ralph Lauren, Bonpoint and Gucci where she spent more than 30 minutes rifling through the discount bags and clothes.

Her blue M Missoni coat-dress, which she wore first to a wedding and then for an engagement with the Duchess of Cornwall during the Diamond Jubilee tour in 2012, was one of her most popular purchases from Bicester.

After Kate wore the petrol-blue tweed coat, the high demand for the garment resulted in the brand re-issuing the piece.